478688652 has 72 divisors (see below), whose sum is σ = 1379772576. Its totient is φ = 138622464.

The previous prime is 478688621. The next prime is 478688659. The reversal of 478688652 is 256886874.

It is not an unprimeable number, because it can be changed into a prime (478688659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22128 + ... + 38039.

It is an arithmetic number, because the mean of its divisors is an integer number (19163508).

Almost surely, 2^478688652 is an apocalyptic number.

It is an amenable number.

478688652 is an abundant number, since it is smaller than the sum of its proper divisors (901083924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478688652 is a wasteful number, since it uses less digits than its factorization.

478688652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60207 (or 60202 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 478688652 is about 21878.9545454073. The cubic root of 478688652 is about 782.2598565593.

The spelling of 478688652 in words is "four hundred seventy-eight million, six hundred eighty-eight thousand, six hundred fifty-two".